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Bug #14323
closednet/ftp: fix FrozenError in BufferedSocket
Bug #14323:
net/ftp: fix FrozenError in BufferedSocket
Description
net/ftp: fix FrozenError in BufferedSocket
I noticed this bug while working on something else with
RUBYOPT=-d on, existing test cases all passed with it.
Note: I use String.new because it is the local style, here,
I prefer +'' (or ''.b, for a future commit)
- lib/net/ftp.rb (BufferedSocket#read): use String.new
- test/net/ftp/test_buffered_socket.rb (test_read_nil): new test
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